Mat



FIG. 1 is a top perspective view of a mat showing my new design;

FIG. 2 is a bottom perspective view;

FIG. 3 is an enlarged fragmentary top plan view;

FIG. 4 is an enlarged fragmentary side elevational view;

FIG. 5 is an enlarged fragmentary bottom plan view; and

FIG. 6 is a sectional view taken along line 6--6 of FIG. 5.

The characteristic features of my design are that the opposing surfaces of the transparent material are (1) randomly rough and (2) smooth with a rounded-ribbed grid pattern. 

The ornamental design for a mat, substantially as shown and described. 